Mahino ʻa e Liliu ʻi he Tekinolosia ʻo e Maama ʻo e Hala ʻi he Kolo

ʻOku fetongi mamalie ʻa e maama ʻamipa angamaheni kuo ne fakamaama ʻa e ngaahi hala ʻo e kolo ʻi ha ngaahi taʻu lahi. ʻOku fakafofongaʻi ʻe he liliu ko ʻeni ʻa e taha ʻo e ngaahi fakaleleiʻi mahuʻinga taha ʻi he hisitolia ʻo e kolo ʻo onoponi, ʻa ia ʻoku teke ʻe he fie maʻu fakaemamani lahi ki hono fakatolonga ʻo e ivi mo hono fakasiʻisiʻi ʻo e emission ʻo e ʻea. ʻI he tupulaki ʻa e ʻekonomika mo e tokolahi ʻo e kakai ʻi he kolo, kuo hanga ʻe he fie maʻu ʻo e ivi ʻo teke lahi ʻa e ngaahi maʻuʻanga tokoni mo e ʻatakai. Ko e maama hala, ʻa ia ʻoku faʻa hoko ko e fakamole lahi taha ʻa e ʻuhila ʻa ha kolo—ʻo aʻu ki he 40% ʻo e moʻua ʻuhila ʻa ha kolo—kuo hoko ia ko ha tefitoʻi taumuʻa ki hono fakaleleiʻi ʻo e lavameʻa. Ko e fili ʻo e tekinolosia ʻo e maama ʻi hotau ngaahi hala ʻoku ʻikai ko ha meʻa fakaʻofoʻofa pe; ʻOku ʻi ai hono ngaahi kaunga lahi ki he malu ʻa e kakai, uesia ʻo e ʻatakai, mo e patiseti fakakolo. ʻI he ngaahi taʻu lahi, kuo hoko ʻa e ngaahi maama high-pressure sodium (HPS) ko e hoosi ngaue ʻo e maama ʻo e hala, ʻoku fakamahuʻingaʻi ʻi heʻenau moʻui fuoloa ʻi hono fakafehoanaki ki he ngaahi tekinolosia kimuʻa pea mo ʻenau malava ke hu ki he kakapu. Neongo ia, kuo ʻomi ʻe he aʻu mai ʻa e tekinolosia Light Emitting Diode (LED) ha fili malohi ʻoku laka hake ʻi he HPS ʻi he meimei founga kotoa pe. ʻOku fakaʻaliʻali ʻe he ʻanalaiso fakaʻauliliki ko ʻeni ʻa e ngaahi fakangatangata fakatekinikale, ngaahi moʻoniʻi meʻa fakangaue, mo e ngaahi lelei taimi loloa ʻo e ongo tekinolosia fakatouʻosi, ʻo fakahaaʻi ai ʻa e ʻuhinga kuo hoko ai ʻa e ngaahi maama hala LED ko e fili aofangatuku ki he ngaahi kolo fakaonopooni, tuʻuloa ʻoku fakataumuʻa ke aʻusia ʻenau ngaahi taumuʻa ki hono fakatolonga ʻo e ivi mo hono fakasiʻisiʻi ʻo e emission ʻo e ʻea.

Ko e ha ʻa e ngaahi maama high-pressure sodium (HPS) pea ko e ha ʻoku fuʻu manakoa ai?

ʻOku kau ʻa e ngaahi maama sodium high-pressure ki he famili ʻo e ngaahi maʻuʻanga maama high-intensity discharge (HID), ko ha tekinolosia kuo ne puleʻi ʻa e maama ʻi tuʻa ʻi ha vaeuaʻi senituli tupu. ʻOku makatuʻunga ʻenau ngaue ʻi hono fakahu ha ʻuhila ʻi ha tiupi ʻumea ʻoku ʻi ai ha tuifio ʻo e mercury, sodium, mo e kasa xenon. ʻI he taimi ʻoku to ai ʻa e arc, ʻoku fiefia ʻa e sodium vapor pea ʻomi ha mama, ʻa ia ʻoku fakaʻilongaʻi ʻe hono maama lanu engeenga monochromatic. Naʻe ʻiloa ʻa e ngaahi maama HPS ʻi ha ngaahi ʻuhinga malohi. Naʻa nau ʻomi ha fakalakalaka lahi ʻi he ola lelei ʻi heʻenau ngaahi maama kimuʻa, ʻa ia naʻa nau faʻa maʻu ʻa e 80 ki he 140 lumens ki he watt, ʻa ia naʻa nau hoko ai ko ha fili lelei ki honau taimi. Ko honau lelei lelei taha ko ʻenau ngaue ʻi he ʻea kovi. ʻOku siʻisiʻi ange ʻa e fakamovetevete ʻe he ngaahi momoʻi meʻa ʻo e vai ʻi he kakapu, ʻuha mo e sinou. Naʻe ʻoange ʻe he ʻulungaanga ko ʻeni ki he ngaahi maama HPS ha ongoongo lelei ʻi hono ʻomi ha tuʻunga ʻo e sio ʻi he taimi ʻoku kovi ai ʻa e ʻea. ʻIkai ngata ai, ko ʻenau moʻui, ʻa ia ʻoku aʻu ki he houa ʻe 24,000, ko ha fakalakalaka lahi ia ʻi he ngaahi meʻa ʻoku fakaʻaongaʻi ʻi he maama mo e fluorescent, ʻo fakasiʻisiʻi ai ʻa e tuʻo lahi ʻo e fetongi ʻo e mama ʻi he ngaahi maile ʻo e hala. Naʻe fakatahaʻi ʻa e ngaahi meʻa ko ʻeni ke hoko ai ʻa e HPS ko e fili angamaheni, pea faʻa ʻaonga pe ki he kau ʻenisinia maama fakakolo ʻi ha ngaahi taʻu lahi.

Ko e ha ʻa e ngaahi tefitoʻi tonounou ʻo e ngaahi maama HPS ʻi he maama ʻo e hala?

Neongo ʻenau malohi fakahisitolia, ʻoku faingataʻaʻia ʻa e ngaahi maama HPS mei ha ngaahi fehalaaki fakatekinikale mo fakangaue ʻoku fakautuutu ai ʻenau taʻefeʻunga mo e ngaahi tuʻunga moʻui ʻo e maama ʻo onoponi. Ko e ʻuluaki palopalema lahi ko e ʻikai lelei ʻa e mama, faitatau mo e mapuleʻi. Ko e ngaahi maama HPS ko ha ngaahi maʻuʻanga maama omnidirectional, ʻa ia ko hono ʻuhinga ʻoku nau tuku atu ʻa e maama ʻi he feituʻu kotoa pe, ʻo hange ha ulo ʻo ha teʻelango. Ke fakahangatonu hifo ʻa e maama ko ʻeni ki he hala, kuo pau ke fakafalala ʻa e ngaahi maama ki he ngaahi meʻa lalahi mo piko. ʻOku ʻikai ke ola lelei ʻa e polokalama fakaʻata ko ʻeni. Ko ha konga lahi ʻo e mama ʻoku fihia ia ʻi loto ʻi he meʻa pe maʻu ʻe he reflector kimuʻa pea toki aʻu ki he hala. ʻOku faʻa palopalema ʻa e sipinga ʻo e beam, ʻi he maama maʻolunga ʻaupito ʻi lalo ʻi he mama—taimi ʻe niʻihi ʻoku laka hake ʻi he 40 lux ʻi he ngaahi hala hono ua—ʻa ia ʻoku hoko ko ha maama maumau ʻo fuʻu totuʻa. ʻI he tafaʻaki ʻe taha, ʻi he vaeuaʻanga malie ʻi he vahaʻa ʻo e ongo pou hoko mai, ʻe lava ke to hifo ʻa e maama ki he 40% ʻo e tumutumu ko ia, ʻo fakatupu ai ha ngaahi feituʻu fakapoʻuli fakatuʻutamaki ʻoku ne uesia ʻa e malu ʻa e fakaʻuli mo e lue lalo. ʻOku fakamoleki ʻa e ivi ʻi he ngaahi feituʻu ʻoku fuʻu ngingila kae ʻikai lava ke fakamaama lelei ʻa e niʻihi kehe. Ua, ʻoku fakafaingataʻaʻiaʻi ʻe he palani ko ʻeni ʻa e lavameʻa fakalukufua ʻo ha maama HPS. ʻOku meimei 50-60% pe ʻa e ola lelei ʻo e emitter, ʻa ia ko e meimei 30-40% ʻo e maama ʻoku maʻu ʻoku mole ia ʻi loto ʻi he naunau, ko ha maumau mahuʻinga mo ʻikai lava ke taʻofi ʻi he tekinolosia. Fakaʻosi, neongo ʻoku aʻu ki he houa ʻe 24,000 ʻa e moʻui ʻa e ngaahi maama HPS, ʻoku nounou ange ʻenau moʻui. ʻOku nau ongoʻingofua ʻaupito ʻa e fetoʻaki ʻo e voltage mo e ʻatakai faingataʻa ʻo ha pou hala, ʻa ia ʻoku kau ai ʻa e tetetete maʻu pe mei he fefonongaʻaki, feliliuaki ʻa e mafana ʻo e ʻea, mo e hauhau. Ko hono ola, ʻe lava ke laka hake ʻi he 60% ʻa e taʻelavameʻa fakataʻu ʻo hono fokotuʻu ʻo e HPS, ʻo iku ki he toutou telefoni ki hono tokangaʻi ʻo e ngaahi meʻa ʻoku ne fakasiʻisiʻi ʻa e ivi.

Ko e ha ʻa e LED street lights pea ʻoku nau fakaleleiʻi fefe ʻa e ngaahi palopalema ko ʻeni?

ʻOku fakaʻaongaʻi ʻe he ngaahi maama hala LED ʻa e diodes ʻoku ʻomi ʻa e mama, ʻa ia ko ha ngaahi meʻangaue semiconductor fefeka, ko honau maʻuʻanga mama. ʻOku ʻikai hange ko e HPS, ʻa ia ʻoku fakafalala ki he kasa mafana ʻi ha tiupi, ʻoku faʻu ʻe he LEDs ʻa e mama ʻo fakafou ʻi ha founga ʻoku ui ko e electroluminescence, ʻa ia ʻoku tukuange ai ʻe he electrons ʻa e ivi ʻi he fotunga ʻo e photons. ʻOku liliu fakahangatonu ʻa e faikehekehe mahuʻinga ko ʻeni ʻi he fisiki ki ha ngaahi lelei lahi ʻoku ne fakaleleiʻi ʻa e ngaahi palopalema ʻoku tupu mei he tekinolosia HPS. Ko e mahuʻinga taha ʻo e ngaahi meʻa ni ko e moʻui fuoloa. ʻOku fakafuofuaʻi ʻa e maama hala LED tuʻunga maʻolunga ki ha moʻui lelei ʻo e houa ʻe 50,000 ki he 100,000 pe lahi ange—ʻoku fuʻu tolonga ange ia ʻi he moʻui ʻo ha maama HPS. ʻOku hanga ʻe he moʻui loloa ko ʻeni ʻo fakaleleiʻi ʻa e ngaahi fakamole maʻolunga ki hono tokangaʻi mo e lahi ʻo e maumau fekauʻaki mo e HPS, ʻo fakaʻata ai ʻa e ngaahi kolo ke fokotuʻu ha ngaahi faʻunga ʻo e maama ʻe lava ke falala ki ai ʻi ha ngaahi taʻu lahi pe taʻu lahi taʻe ʻi ai ha tokoni. ʻIkai ngata ai, ko e maama ʻoku faʻu ʻe he LEDs ʻoku kehe mo maʻolunga ange. ʻI he fakahokohoko fakamotuʻalea ʻo e lanu (CRI) ʻe lava ke faingofua ke aʻu ki he 70 pe 80, pea faʻa maʻolunga ange, ʻoku lahi ʻa e maama LED pea faʻifaʻitaki ofi ki he maama fakanatula ʻo e ʻaho. ʻI he malumalu ʻo e maama LED, ʻoku longomoʻui mo moʻoni ʻa e ngaahi lanu, ʻo liliu ʻa e ʻatakai ʻo e sio ʻi he poʻuli. ʻOku ʻikai ko ha fakaleleiʻi fakaʻofoʻofa pe ʻeni; ʻoku ʻi ai hono ngaahi nunuʻa lahi ki he malu. Ko e malava ko ia ʻa e mata ʻo e tangata ke ʻiloʻi ʻa e faikehekehe, ʻiloʻi ʻa e ngaahi meʻa, mo e tali ki he ngaahi fakatuʻutamaki ʻe ala hoko ʻoku fekauʻaki hangatonu ia mo e tuʻunga lelei ʻo e mama. ʻOku fakaʻata ʻe he CRI maʻolunga ange ʻo e LEDs ʻa e kau fakaʻuli mo e kau lue lalo ke nau sio lelei ange, fakafaikehekeheʻi ʻa e ngaahi fakaikiiki, pea vave ange ʻenau tali, ʻo fakaleleiʻi ʻa e malu fakalukufua ʻo e hala ʻi ha founga ʻoku ʻikai lava ke fakatataua ʻe he maama monochromatic ʻo e HPS.

ʻOku ʻomi fefe ʻe he ngaahi maama hala LED ʻa e tuʻunga lelei mo e mapuleʻi ʻo e mama?

ʻOku mahulu atu ʻa e ngaahi lelei ʻo e LEDs ʻi he moʻui mo e lanu ki he uho ʻo e founga ʻoku puleʻi mo tataki ai ʻa e mama ki he hala. Ko e meʻa liliu taha ko honau natula ʻo e fakahinohino. ʻOku ʻikai hange ko e ngaahi maama HPS ʻoku nau fana ʻa e mama ʻi he tafaʻaki kotoa pe, ʻoku fakanatula ʻa e LEDs, ʻo faʻa tuku mai ʻa e maama ʻi ha sipinga tikili ʻe 180 mei honau funga lafalafa. ʻOku ʻuhinga ʻeni ʻoku fakanatula pe ʻa e fakataumuʻa ʻa e mama ki he feituʻu ʻoku fie maʻu ai—ki lalo ki he hala—kae ʻikai ki he meʻa pe ki ʻolunga ki he langi ʻi he poʻuli. ʻOku fakaʻata ʻe he ʻulungaanga directional ko ʻeni, fakataha mo e optics hono ua hange ko e sioʻata, ke mapuleʻi taʻe-hano-tatau ʻa e tufaki ʻo e mama. ʻE lava ke faʻu ʻe he kau fokotuʻutuʻu ʻo e mama ha ngaahi sipinga pau ʻo e fuʻu ʻakau ʻoku fenapasi lelei mo e geometry ʻo ha hala, ʻo fakapapauʻi ʻoku fokotuʻu tonu pe ʻa e mama ʻi he hala pea ʻikai maumauʻi ʻi he tafaʻaki ki muʻa ʻo e fale, ʻapi ʻi mui, pe tokoni ki he ʻuli ʻo e mama. ʻOku toʻo heni ʻa e palopalema ʻo e fuʻu maama ʻi lalo ʻi he fuʻu pou mo e siʻisiʻi ʻa e maama ʻi he vahaʻa ʻo e ngaahi pou, ʻo fakatupu ai ha ʻatakai ʻo e maama ʻoku tatau mo malu ange. ʻE lava ke fakaleleiʻi ʻa e tufakiʻanga maama ʻo ha maama LED ke maʻu ʻa e tuʻunga ʻo e maama ʻi he hala kotoa, ʻo fakalahi ai ʻa e sio mo e ola lelei ʻi he watt kotoa pe ʻoku fakaʻaongaʻi. ʻIkai ngata ai, koeʻuhi ʻoku fakataumuʻa tonu ʻa e mama, ʻoku maʻolunga ange ai ʻa e lelei fakalukufua ʻo e mama. ʻOku ʻikai mole ʻa e 30-40% ʻo e maama ʻi loto ʻi he naunau, ka ʻoku faʻa aʻusia ʻe he ngaahi maama hala LED ʻa e efficiencies ʻo e 90% pe lahi ange, ʻa ia ko hono ʻuhinga ko e meimei kotoa ʻo e maama ʻoku faʻu ʻe he LEDs ʻoku iku ʻo fakamaama ʻa e taumuʻa naʻe fakataumuʻa ki ai, ʻa e hala.

Ko e ha ʻoku lelei ange ai ʻa e ivi mo e anga fakakaumeʻa ki he ʻatakai ʻa e ngaahi maama hala LED?

Ko e ivi lelei ʻo e ngaahi maama hala LED ko e taha ia ʻo e ngaahi ʻuhinga malohi mo fakalotoa fakapaʻanga taha ki heʻenau fakaʻaongaʻi lahi. ʻOku ʻikai maʻu ʻa e lavameʻa ko ʻeni mei ha fotunga pe ʻe taha ka mei ha fakatahaʻi malohi ʻo e ngaahi moʻoniʻi meʻa: ola lelei ʻo e maʻuʻanga tokoni maʻolunga, lelei ʻo e maama maʻolunga, mo hono fakatahaʻi ʻo e ngaahi meʻa ʻoku puleʻi lelei. ʻE lava ke maʻu ʻe ha polokalama HPS ʻa e 100 lumens ki he watt mei he mama, ka ʻi he hili hono fakamatalaʻi ʻa e ngaahi mole lahi ʻi he reflector mo e ivi ʻoku fakaʻaongaʻi ʻe he ballast, ʻoku holo ʻaupito ʻa e ola lelei ʻo e polokalama. ʻOku kamata ʻaki ʻe he polokalama LED ha chip ʻe lava ke maʻu ai ʻa e 150 lumens ki he watt pea siʻisiʻi ʻaupito ʻa e mole ʻi hono optics, ʻoku ne ʻomi ha maama lahi ange ki he hala ʻi he watt kotoa pe ʻo e ʻuhila ʻoku fakaʻaongaʻi. ʻOku ʻuhinga ʻeni ki he fakasiʻisiʻi fakahangatonu ʻo e ivi ʻo e 50% ki he 70% ʻi hono fakafehoanaki ki he HPS, ko ha fakasiʻisiʻi ʻoku ʻi ai hono ola lahi mo vave ʻi he patiseti ngaue ʻa e kolo mo hono carbon footprint. ʻI heʻetau fakaʻaongaʻi ʻa e ʻuhila siʻisiʻi, ʻoku tau toe fakasiʻisiʻi ai ʻa e tukuange ʻo e ngaahi kasa fakatuʻutamaki hange ko e CO2 mo e ngaahi meʻa fakaʻuli hange ko e SO2 mei he ngaahi fale ʻuhila, ʻo tokoni fakahangatonu ki he ngaahi taumuʻa fakafonua mo fakaemamani lahi ke fakasiʻisiʻi ʻa e ʻuhila. Ka neongo ia, ʻoku mahulu atu ʻa e ngaahi lelei ʻo e ʻatakai ʻi hono fakahaofi ʻo e ivi. ʻOku ʻi he ngaahi maama HPS ʻa e mercury, ko ha neurotoxin malohi, ʻa ia ʻoku silaʻi ʻi loto ʻi he tiupi ʻo e arc. ʻI he taimi ʻoku aʻu ai ʻa e ngaahi maama ko ʻeni ki he ngataʻanga ʻo ʻenau moʻui, kuo pau ke tokangaʻi kinautolu ko ha veve fakatuʻutamaki. Kapau te nau maumauʻi ʻi he ngoueʻanga pe laku taʻetotonu ʻi he lingiʻanga veve, te nau lava ʻo tukuange ʻa e mercury ko ʻeni ki he ʻatakai, ʻo fakaʻuliʻi ai ʻa e kelekele mo e vai ʻi lalo fonua. ʻI he tafaʻaki ʻe taha, ʻoku fakaʻaongaʻi ʻe he ngaahi maama hala LED ʻa e tekinolosia fefeka pea ʻoku ʻikai ke ʻi ai ha mercury pe ngaahi meʻa fakatuʻutamaki kehe. ʻOku nau recyclable kakato pea ʻoku nau fakafofongaʻi ha maʻuʻanga maama anga fakakaumeʻa mo tuʻuloa moʻoni, ʻo fenapasi lelei mo e ngaahi tefitoʻi moʻoni fakaonopooni ʻo e ʻekonomika fuopotopoto.

ʻOku anga fefe hono ʻoange ʻe he ngaahi polokalama puleʻi poto ʻa e ngaahi maama hala LED ki ha tafaʻaki?

Ko ha lelei fakaʻosi ʻo e ngaahi maama hala LED ko ʻenau fenapasi mo e ngaahi polokalama fakaonopooni ʻoku ʻikai lava ke puleʻi ʻaki ʻa e tekinolosia HPS. ʻOku ʻi ai ha palopalema lahi ʻo e ngaue ʻa e ngaahi maama HPS: ʻoku fie maʻu ha taimi mafana ʻi ha ngaahi miniti lahi ke aʻu ki he maama kakato mei he kamata momoko pea kapau ʻe tamateʻi, ʻoku ʻi ai ha vahaʻataimi mokomoko kimuʻa pea toki lava ke toe tutu. ʻOku hanga ʻe he meʻa ni ʻo ʻai ha faʻahinga founga ʻo e mapuleʻi ʻi he taimi moʻoni ʻoku ʻikai ʻaonga. Ka neongo ia, ʻoku aʻusia ʻe he ngaahi maama hala LED ʻa e maama kakato ʻi he taimi pe ko ia ʻoku fakamoʻui ai, ʻo ʻikai ha vahaʻataimi fakamafana. Ko e meʻa ko ʻeni ʻoku malava ko ʻeni ʻi he taimi pe ko ia ʻoku ne fakaava ʻa e tuʻunga kakato ʻo e maama ʻo e kolo poto. ʻE lava ke faingofua hono fakatahaʻi kinautolu mo e photocells, motion sensors, mo e central management systems (CMS) ʻoku fetuʻutaki ʻi he wireless networks. ʻOku fakaʻata ʻe he meʻa ni ha ngaahi founga fakasiʻisiʻi ivi faingataʻa ʻa ia naʻe ʻikai ke lava ʻo fakakaukau ki ai kimuʻa. Hange ko ʻeni, ʻe lava ke fakasiʻisiʻi ʻa e mama ki he 30% pe 40% lolotonga ʻa e ngaahi houa poʻuli ʻi he taimi ʻoku siʻisiʻi ai ʻa e fefonongaʻaki, pea fakamaama leva ki he 100% ʻi he taimi ʻoku fakatokangaʻi ai ʻe ha sensor ha tokotaha lue lalo, pasikala pe meʻalele ʻoku haʻu. ʻE lava ke fakahaofi ʻe he maama adaptive, on-demand ko ʻeni ha toe 30-40% ʻi he ivi ʻo mahulu hake ʻi he fakahaofi mei he fakaleleiʻi ʻo e LED. ʻIkai ngata ai, ʻoku ʻomi ʻe he CMS ʻa hono vakaiʻi taimi moʻoni ʻo e maama fakafoʻituitui, lipooti he taimi pe ko ia ʻa e ngaahi maumau pea fakaʻata ke tokangaʻi lelei mo fakataumuʻa. ʻOku toʻo heni ʻa e fie maʻu ke ʻi ai ha kau leʻo poʻuli mamafa mo taʻefeʻunga ke kumi ʻa e ngaahi maama kuo vela pea fakapapauʻi ʻoku fakaleleiʻi ha faʻahinga mate kimuʻa pea toki hoko ko ha palopalema ki he malu. ʻOku liliu ʻe he tuʻunga ko ʻeni ʻo e mapuleʻi ʻa e maama hala mei ha kavenga ʻoku ʻikai ke ngaue maʻu pe ki ha konga longomoʻui mo tali ʻo e faʻunga poto ʻo ha kolo.

ʻOku mahulu hake ʻa e liliu mei he maama hinehina ʻo e LEDs ʻi ha kiʻi fakalakalaka fakatekinolosia pe. ʻOku ne fakafofongaʻi ha liliu mahuʻinga ʻi he founga ʻoku fakahoko ai ʻe he ngaahi kolo ʻa e ngaahi faʻunga fakapuleʻanga, potupotutatau ʻa e ngaue, fakamole, mo e fatongia ʻo e ʻatakai. Neongo naʻe ngaue lelei ʻa e ngaahi maama HPS ki he ngaahi kolo ʻi ha ngaahi taʻu lahi, ka ʻoku hanga ʻe honau ngaahi fakangatangata fakatekinikale—ʻa e kovi ʻo e lanu, tufaki ʻo e mama ʻoku ʻikai lelei, fakatuʻutamaki ʻo e ʻatakai, mo e ʻikai fenapasi mo e ngaahi meʻa ʻoku puleʻi ʻi onoponi—ʻo ʻai ke nau hoko ko ha tekinolosia ʻo e kuohili. ʻOku fakaleleiʻi ʻe he ngaahi maama hala LED ʻa e ngaahi tonounou kotoa ko ʻeni, ʻo ʻoatu ha founga ʻoku lelei ange, tolonga loloa, malu ange, mo falalaʻanga ange ki he ʻatakai. Ki ha kolo pe kolo pe kolo ʻoku fie fakasiʻisiʻi ʻa e fakamole ki hono fakangaue, holoki ʻa e carbon footprint, pea fakaleleiʻi ʻa e tuʻunga ʻo e moʻui mo e malu ʻa hono kakai ʻo e fonua, ʻoku fuʻu lahi ʻa e fakamoʻoni: ko e kahaʻu ʻo e maama hala ko e LED.

Ngaahi Fehuʻi ʻOku Faʻa ʻEke Fekauʻaki mo e LED mo e HPS Street Lights

ʻE lava nai ke u fetongi fakahangatonu ha foʻi ʻuhila HPS ʻaki ha LED ʻi heʻeku maama hala lolotonga?

ʻI he ngaahi meʻa lahi, ʻoku ʻikai fokotuʻu atu ke fetongi pe ʻa e maama HPS ʻaki ha LED "koane cob" pe foʻi ʻuhila sikuli. Ko e optics, heat sinking, mo e fakaʻuli ʻuhila ko ha ngaahi tekinolosia kehekehe ʻaupito. Ke maʻu ha retrofit totonu mo malu, ʻoku totonu ke ke fetongi ʻa e maama kotoa ʻaki ha maama hala LED kuo faʻu pe fakaʻaongaʻi ha naunau LED retrofit ʻoku feʻunga mo hoʻo naunau pau, ʻa ia ʻoku ne fetongi ʻa e fakatahaʻanga fakaʻata mo e fakaʻuli.

ʻOku lelei ange ʻa e maama lanu moli mei he ngaahi maama HPS ki he kakapu ʻi he maama LED hinehina?

ʻI he hisitolia, naʻe pehe ʻoku lelei ange ʻa e maama lanu engeenga/lanu moli ʻo e HPS ki he hu mai ʻa e kakapu. Neongo ia, ʻoku faʻa fakaʻaongaʻi ʻe he ngaahi maama hala LED ʻo onoponi ʻa e mafana ʻo e lanu (CCT) ʻo e 3000K pe 4000K, ʻa ia ʻoku potupotutatau. Neongo ʻoku siʻisiʻi ange ʻa e fakamovetevete ʻa e maama lanu engeenga loloa, ka ʻoku faʻa ʻomi ʻe he malohi maʻolunga mo e mapuleʻi totonu ʻo e beam ʻo e LEDs ha vakai lelei ange ʻi he kakapu. ʻIkai ngata ai, ʻe lava ke fakamahinoʻi ʻa e ngaahi naunau LED foʻou ʻaki ha "mafana" 2700K-3000K CCT ke fakalahi ʻa e ngaue ʻa e ʻea.

Ko e ha e lahi ʻo e paʻanga ʻe lava ke fakahaofi ʻe ha kolo ʻaki haʻane liliu ki he ngaahi maama hala LED?

ʻOku lahi mo kehekehe ʻa e paʻanga ʻoku fakahu paʻanga. ʻOku faʻa sio ʻa e ngaahi kolo ki ha holoki ʻe 50-70% ʻi he fakamole ʻo e ivi ki he maama hala ʻi he hili pe ʻa e liliu ʻo e LED. ʻI he taimi ʻoku fakatahaʻi ai mo e fakasiʻisiʻi ʻo e fakamole ki hono tokangaʻi koeʻuhi ko e loloa ange ʻa e moʻui ʻa e LEDs, pea mo e malava ke toe fakahu ha paʻanga mei he adaptive dimming controls, ʻoku faʻa totongi ʻe he fakakatoa ʻo e fakamole ki he ngaue ʻa e ngaue kotoa ʻi loto ʻi he taʻu ʻe 5 ki he 7, hili ia ʻoku hokohoko atu hono fakahaofi ʻe he kolo ʻa e laui miliona ʻi he taʻu.